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2 years ago

Write the equation of a line PERPENDICULAR

Mathematics

1 answer:

loris [4]2 years ago

5 0

Answer:

im pretty sure its y=1/3x

Step-by-step explanation:

rearrange for y to be subject

its perpendicular so then the gradient will be the negative reciprocal (-1 / -3= 1/3) so thats your new gradient

then when you substitute the (3,-1) into that equation get -1=1 + c so then c is 0 and your whole equation is y=1/3x

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Mika read a 405 page book in 6 hours. how many pages per minute did she read?

Annette [7]

Answer:

1.125 pages per minute

Step-by-step explanation:

Mika read a 405 page book in 6 hours.

6 hours is equivalent to

6 × 60 minutes = 360 minutes

Number of pages read per minute = 405/360

= 9/8 = 1.125 pages

Mika read 1.125 pages per minute.

5 0

2 years ago

22 to the 7 power minus 22 to the 4 power

nasty-shy [4]

22^7 - 22^4 = 2,494,123,632 .

7 0

2 years ago

Read 2 more answers

In how many ways can the letters in the word MATHEMATICS be reshuffled so that all consonants appear together?

steposvetlana [31]

Answer:

75600

Step-by-step explanation:

We are given that a word MATHEMATICS

Total letters =11

M repeated 2 times

T repeated 2 times

A repeated 2 times

Total vowels=4

Let MTHMTCS=P

Total number of ways in which MTHMTCS can be arranged= $\frac{7!}{2!2!}$

PAEAI

Total number of ways in which PAEAI can arranged= $\frac{5!}{2!}$

Total number of arrangements when all consonant appear together= $\frac{7!}{2!2!}\times \frac{5!}{2!}$

Total number of arrangements when all consonant appear together= $\frac{7!5!}{2\times 2\times 2}=\frac{7\times 6\times 5\times 4\times 3\times 2\times 1\times 5\times 4\times 3\times 2\times 1}{8}=75600$

By using formula ; $n!=n(n-1)(n-2)...2\times 1$

4 0

3 years ago

I WILL MARK BRAINLIEST IF HELP!!

aksik [14]

Answer:

a 20 X 40 X x

b just a guess but 2 centimeters

c 1600 or 800 depending on what x is

3 0

2 years ago

Subject - Maths

Digiron [165]

Answer:

<h3>Ur answer refer to above attachment </h3><h3>Hope this help u XD ✌️</h3>

<h3>Not copied answer </h3>

<h2>ItzSneha~</h2>

5 0

2 years ago